| Business | Phone |
| Tennessee Tech Center Humboldt 2600 Viking Dr, Humboldt 38343 | (731) 784-2373 |
| City Of Humboldt Electric Dept 3450 Bledsoe Rd, Humboldt 38343 | (731) 784-5526 |
| Sba Inc 87 Newt Blackwell Rd, Humboldt 38343 | (731) 784-1329 |
| Ncr 2901 Highway 45 Byp, Humboldt 38343 | (731) 784-5330 |
| Doyle & Doyle 700 N 29th Ave, Humboldt 38343 | (731) 784-4200 |